Perform the Indicated Operations A) $6 k^{3}+10 k^{2}-k+9$ B) $14 \mathrm{k}^{3}+10 \mathrm{k}^{2}-\mathrm{k}+9$

Multiple Choice

Perform the indicated operations.
- $\left(7 \mathrm{k}^{3}+2 \mathrm{k}^{2}-\mathrm{k}+7\right) -\left(4 \mathrm{k}^{3}-2 \mathrm{k}^{2}-\mathrm{k}-1\right) +\left(3 \mathrm{k}^{3}+6 \mathrm{k}^{2}-\mathrm{k}+1\right)$

A) $6 k^{3}+10 k^{2}-k+9$
B) $14 \mathrm{k}^{3}+10 \mathrm{k}^{2}-\mathrm{k}+9$
C) $6 \mathrm{k}^{3}-10 \mathrm{k}^{2}+\mathrm{k}+8$
D) $6 k^{3}+10 k^{2}+k+9$